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/*
* Copyright (C) 2012 Antony Pavlov <antonynpavlov@gmail.com>
*
* This file is part of barebox.
* See file CREDITS for list of people who contributed to this project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
/**
* @file
* @brief Resetting an JZ4755-based board
*/
#include <common.h>
#include <io.h>
#include <mach/jz4750d_regs.h>
static void __noreturn jz4750d_halt(void)
{
while (1) {
__asm__(".set push;\n"
".set mips3;\n"
"wait;\n"
".set pop;\n"
);
}
unreachable();
}
void __noreturn poweroff()
{
u32 ctrl;
shutdown_barebox();
do {
ctrl = readl((u32 *)RTC_RCR);
} while (!(ctrl & RTC_RCR_WRDY));
writel(RTC_HCR_PD, (u32 *)RTC_HCR);
jz4750d_halt();
}
EXPORT_SYMBOL(poweroff);
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